Home / Shop / Batteries, Testers and Tools / Activair Battery Tester $15.00 Activair Battery Tester Hearing aid battery tester Analog reading shows battery life Features a battery storage compartment Activair Battery Tester quantity Add to cart SKU: ATEST Category: Batteries, Testers and Tools Tag: Copied From Estes Related products Hearing Aid Battery Caddy $3.99 Add to cart Battery Easy $9.99 Read more Stay Dri Dehumidifier Jar $9.95 Add to cart Mirror-Go-Round $15.00 Add to cart